<!--
 * @Author: your name
 * @Date: 2022-01-24 11:45:31
 * @LastEditTime: 2022-01-24 18:23:31
 * @LastEditors: DESKTOP-EH1PJNP
 * @Description: In User Settings Edit
 * @FilePath: \xxtx_ui-demod:\Qweb\html\html\day04\1-other.html
-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>其他</title>
    <style>
        .one{
            cursor: help;
        }
        .two , .three{
            width: 100px;
            height: 100px;
            margin-top: 10px;
        }
        .two{
            background-color: aquamarine;
            visibility: hidden;
        }
        .three{
            background-color: cadetblue;
            opacity: .2;
        }
        .four{
            background-color: blueviolet;
            height: 20px;
        }
        .five{
            background-color:darkturquoise;
            color: #fff;
        }
        .five > span{
            display: inline-block;
        }
        .five>span:nth-child(1){
            height: 100px;             /* 无意义，行内元素不指定宽高 但是可以在上面display里改成inline-block改成行内块元素就可以了*/
            background-color: #fff;
        }
    </style>
</head>
<body>
    <div class="one">hello world!</div>
    <div class="two"></div>
    <div class="three"></div>
    <div class="four"></div>
    <div class="five">
        <span>one</span>
        <span>two</span>
        <span>three</span>
    </div>
</body>
</html>